39results about How to "Good for seeing" patented technology

The invention provides a head up display with adjustable backlight. A light sensor is arranged on a display; the light sensor acquires light strength of the environment, brightness of a backlight lamp is automatically adjusted according to a light strength signal from the light sensor by a central processor, and brightness of an image source screen itself can be adjusted. Initial setting of the brightness of the image source screen itself can enable a driver to freely select the habitual image brightness, and automatic backlight adjustment enables the displayed image to adapt to different light environments. According to the head up display, due to the initial setting of the brightness of the image source screen itself, the function of adaptive display backlight adjustment according to environment light can be realized, a virtual image reflected on a projection lens can meet requirements of different drivers, display brightness can also be automatically changed according to environment lights, the displayed virtual image can be seen clearly when the environment light changes, and display effects of the head up display are better.

The invention provides a transparent display panel and a display apparatus, relates to the display technical field, and solves the problem that a conventional transparent display panel can not meet the different display requirements of different areas. The transparent display panel comprises a plurality of display units, each including a light transmission subunit and a lighting subunit, wherein a lighting device is formed on the lighting subunit. The display panel comprises a first area and a second area, wherein the light transmittance of the display unit in the first area is greater than that of the display unit in the second area, and the luminance of the display unit in the first area is smaller than that of the display unit in the second area. The light transmittance of the display unit is the ratio of the area of the light transmission subunit of the display unit to the area of the display unit, and the luminance of the display unit is the ratio of the area of the lighting subunit of the display unit to the area of the display unit. The transparent display panel is applicable to a transparent display apparatus.

The invention relates to the technical field of exhibition and display devices, and discloses a multimedia physical exhibition and display device. The multimedia physical exhibition and display devicecomprises a base, a support table and a control table. The base is a hollow rectangular box body, a rotating rod is fixedly connected to the inner bottom of the support table, and the rotating rod isrotationally connected to the upper surface of the base; a support rod is further fixedly connected to the upper surface of the base, a T-shaped groove is formed in one side, close to the support table, of the support rod, a T-shaped block is slidably connected to the interior of the T-shaped groove, and one end of the T-shaped block extends out of the T-shaped groove and fixedly connects with acamera; an electric drive push rod is fixedly connected to the bottom of the camera, the bottom of the electric drive push rod is fixedly connected to the upper surface of the base, and a protective cover is further fixedly connected to the upper surface of the base; and the control table is fixedly connected to one side of the base, and an inclined control panel is arranged on the top of the control table. The multimedia physical exhibition and display device has the advantages of being capable of automatically rotating and photographing and displaying exhibits.

The invention discloses a device and a method for controlling a headlamp, and relates to the technical field of vehicles. The device and the method can reduce influence of headlights on full beam on vehicles running in an opposite direction, and ensure driving safety of the driver of a vehicle. The device for controlling a headlamp comprises: firstly, an information acquisition portion obtaining current position information and running speed of a vehicle through a navigation system, and obtaining current position information and running speed of an opposite vehicle through a communication system, then a meeting time calculation portion calculating meeting starting time and meeting end time of the vehicle and the opposite vehicle, and finally, a road condition determination portion determining whether a meeting road segment has a central isolation belt, when the road condition determination portion determines that any position of the meeting road segment is provided with the central isolation belt, a headlamp control portion illuminating a front road surface through the headlights on full beam in the meeting road segment. The method and the device are suitable to control the headlamps to illuminate through the headlights on full beam or dipped headlights.

The invention discloses a multimedia teaching frame for the mobile information technology. The multimedia teaching frame comprises a supporting plate and a supporting frame used for supporting the supporting plate. A display and a writing board are arranged in the supporting frame. The supporting plate is hinged to a connecting base. The supporting frame comprises a base and a lifting device fixedly connected with the base. The lifting device is provided with a connector. The base is provided with an installing groove and a storage battery. The storage battery is provided with a charging wire. The storage battery further comprises a movable winding post and a fixed winding post. One end of the charging wire is connected with the storage battery, and the other end of the charging wire sequentially winds around the fixed winding post and the movable winding post in an S-shaped manner to stretch out of the base and is provided with a wire clamp. The base is provided with a first sliding groove adapting to the movable winding post. The multimedia teaching frame has the beneficial effects that the supporting plate can contain a textbook when a teacher explains the knowledge of the textbook, and the teacher can display the teaching content to students when using a multimedia tool for teaching.

The invention discloses an anus speculum which comprises a mirror tube, a mirror edge and an inner core, wherein the inner core is inserted from one end of the mirror tube and exposed out of the other end of the mirror tube; the exposed end is a spherical end; scale lines which represent the length are set on the outer wall of the mirror tube; the mirror edge is connected to the exterior of the mirror tube in a sleeving manner; under an inserted state, the left side of the mirror edge is fixed by a fixing rubber sleeve. By the arrangement of the scale lines on the outer wall of the mirror tube, the mirror tube can be actually greater in the length, so that the inner core can be inserted into the mirror tube according to the scales of the scale lines; therefore, the defect that the length of the mirror tube is fixed in the prior art can be overcome; furthermore, by the arrangement of the mirror edge and the fixing rubber sleeve, the mirror tube can be fixed, and the mirror edge can be prevented from falling off.

The invention discloses an LED device, a fabrication method thereof and a display panel. The LED device comprises a device structure layer, wherein the device structure layer comprises a first semiconductor layer, a light-emitting functional layer and a second semiconductor layer which are sequentially arranged, the LED device also comprises a light-emitting layer, and the light-emitting layer isarranged on a peripheral side surface of the device structure layer. The display panel comprises a transparent first substrate and a plurality of LED devices, wherein the plurality of LED devices arearranged on the first substrate, and light can be emitted simultaneously from a top surface and a bottom surface of each LED device; with the arrangement of the light-emitting layer, the light giving-out brightness of the top surface and the bottom surface of the LED device is further improved, thus, the display panel proposed by the embodiment is a transparent display panel and has relatively high transmittance, and the requirement of a user on the transmittance of the display panel can be met.

The invention discloses a motorcycle helmet. The motorcycle helmet comprises a cap shell and a wind shielding window arranged at the front portion of the cap shell, and the upper portion of the wind shielding window can be vertically overturned along the cap shell. The motorcycle helmet further comprises an air returning plate part. The air returning plate part is arranged at the bottom of the wind shielding window, and the cross section generated after the air returning plate part is combined with the wind shielding window is in a hook shape; a plurality of air holes are formed in the portion, close to the air returning plate part, of the wind shielding window. According to the motorcycle helmet, in the traveling process of a wearer, external air is returned to the wind shielding window after reaching the air returning plate part through the air holes, air exchanging is sufficiently carried out on the interior of the helmet accordingly, water mist is effectively prevented, the transparent clarity of the wind shielding window of the helmet is kept, a driver can easily see a road ahead clearly during traveling, and traffic accidents are prevented.

The invention relates to the technical field of ultrasonic imaging, in particular to a hydrogel film and a preparation method thereof and an ultrasonic coupling patch. The hydrogel film is prepared from the following raw materials in percentage by mass: 20-60% of a monomer, 15-35% of gelatin, 0.01-1% of a cross-linking agent, 0.01-1.5%of an initiator, 0.01-1.5%of a photoinitiator, and the balance of water, wherein the monomer is methacrylic acid and / or methyl methacrylate. The hydrogel film is in a solid film shape and can be used as an ultrasonic coupling material, so that superficial tissue can be seen in an ultrasonic image, and the imaging quality is high.

The invention discloses a fire scene smoke eliminator capable of effectively eliminating dense smoke generated in a fire scene and a smoke eliminating system capable of providing a large amount of fresh air for an escaping people. The fire scene smoke eliminator comprises a smoke sensing switch (1), a battery high-voltage direct-current power supply (2), a smoke suction fan (5), a square-type smoke eliminating chamber (6) and a pipe-type smoke eliminating chamber (7), wherein the square-type smoke eliminating chamber (6) is internally provided with at least one layer of cross corona wire net (8); the pipe-type smoke eliminating chamber (7) is internally provided with a cross corona wire net (9); the cross corona wire net (8) and the cross corona wire net (9) are both communicated with thenegative pole of the battery high-voltage direct-current power supply (2); and the upper and the lower metal sheets of the square-type smoke eliminating chamber (6) and the pipe wall of the pipe-typesmoke eliminating chamber (7) are communicated with the positive pole of the battery high-voltage direct-current power supply (2). The smoke eliminating system also comprises a large-power exhaust fan. The smoke eliminator and smoke eliminating system provided by the invention can be widely applied to the field of fire scene smoke elimination.

The invention relates to the technical field of puncture needle supports, in particular to an adjusting and fixing support for for a deep vein puncture needle for anesthesia. The adjusting and fixing support comprises a rectangular frame, two U-shaped frames are symmetrically fixed to the two sides of the rectangular frame, binding belts are bound and fixed to the interiors of the two U-shaped frames, and transverse tensioning mechanisms used for tensioning the skin are arranged on the two sides of the rectangular frame. Two supporting rods are symmetrically and rotationally connected to the top face of the rectangular frame, guide rail holes are formed in the supporting rods, semicircular guide rail rings are inserted into the guide rail holes, the two ends of each guide rail ring are fixed to the top face of the rectangular frame, and elastic positioning mechanisms used for temporarily fixing the supporting rods to the guide rail rings are arranged in the supporting rods. According to the scheme, the skin at the puncture position is tensioned through the transverse tensioning mechanism, so that the loose skin is tightened, a doctor can see the meridians at the puncture position clearly, puncture is facilitated, the needle tube is clamped and fixed stably, the needle tube does not need to be held manually, and puncture operation is facilitated.

The invention discloses an endoscope color temperature real-time correction method and device, electronic equipment and a camera system, and belongs to the field of endoscopes, and the method comprises the steps: obtaining a corresponding relation between a light source control signal and an image color temperature; acquiring a light source control signal, wherein the light source control signal comes from a light source control unit; generating a color temperature correction coefficient by using a corresponding relation between the light source control signal and the image color temperature according to the light source control signal; correcting the color of the real-time shot image according to the color temperature correction coefficient to obtain a picture signal; sending the picture signal to the display, and using the color temperature correction coefficient for processing the real-time shot image so that even if the brightness of the light source changes greatly, the color temperature output by the display can be kept stable, frequent color tone changing of the image is avoided, an operator can see the biological tissue clearly, and popularization and application of the endoscope with the adjustable light source power are facilitated.

The invention discloses a driving photographing system and a method and device thereof. The system comprises a camera, wherein an eyeglass is arranged in a lens of the camera, a transparent resistance wire is laid in the eyeglass, and a conductive sheet which is electrically connected with the transparent resistance wire is arranged on the edge of the eyeglass; a humidity sensor which is used for detecting the humidity of the eyeglass; a vehicular display which is used for displaying an image photographing result of the camera; and a controller which is connected with the camera, the humidity sensor and the vehicular display and is used for controlling the conductive sheet of the camera to heat the transparent resistance wire when the humidity detected by the humidity sensor is greater than a preset humidity threshold. According to the system, the method and the device, the transparent resistance wire is heated through utilization of the conductive sheet, so the eyeglass of the camera wetted by water drops can be rapidly heated to dry; the image photographing effect of the camera is improved; the image with relatively good image quality is transmitted to the vehicular display; a driver can watch an image at the rear side of a vehicle clearly; and the driver can drive safely.

The invention discloses an urban and rural construction layout simulation system, which relates to the technical field of urban and rural construction and comprises a position building module, a layout design module, a model generation module, a model evaluation module, a comprehensive simulation module, a database module and a central processing unit. The urban and rural construction layout simulation system not only can design a urban and rural construction layout scheme, but also the design scheme can be converted into a construction layout model with similar reality, the model is detectedand evaluated, the design personnel can be helped to find defects existing in the design scheme, and the design personnel can conveniently correct the design scheme in time. The system can also simulate the construction layout model into a real human living environment, so that a designer can personally experience the designed urban and rural construction model on the scene, can evaluate, analyzeand suggest the development condition of the urban and rural construction model, and is helpful for making a further plan for the later urban and rural layout construction and subsequent urban and rural development.

The invention discloses a multifunctional music stand for music teaching. The music stand comprises a base, a fixing casing, a turntable and a motor mounting base; the fixing casing is arranged in themiddle of the upper end of the base, a fixing sleeve is arranged at the upper end of the fixing casing, a bearing is arranged at the lower end of the interior of the fixing casing, the middle of thebearing is sleeved with a rotating shaft, and the lower portion of the side wall of the rotating shaft is sleeved with a bevel gear; the motor mounting base is arranged on the right side of the upperend of the base, and a motor is arranged at the upper end of the motor mounting base. The music stand is reasonable in structural design; through arrangement of the motor and the rotating shaft, panels are automatically rotated and adjusted to an appropriate angle conveniently; through arrangement of an air cylinder, the height of the music stand is adjusted conveniently, and convenience is provided for students in the rear row to see the teaching music stand clearly; through arrangement of the panels, the space occupied by the music stand is reduced; through arrangement of wheels and brake mechanisms, convenience is provided for moving the music stand and braking the music stand at a suitable position. Through arrangement of a sliding fixing mechanism and a groove, convenience is providedfor fixing a music score, and the situation that pages of the music score are automatically turned during wind blowing is avoided.

The invention provides a dilator and a surgical instrument, and relates to the technical field of medical instruments. The dilator comprises an inner tube and an outer tube; one end of the inner tubeis tapered; the outer tube sleeves the inner tube, and the inner side wall of the outer tube is provided with an endoscope head channel and / or a suction channel; the endoscope head channel is used forfixing an endoscope head, and the endoscope head is used for being connected with an endoscope device; the suction channel is used for being connected with an aspirator. The endoscope head can be inserted into brain tissues synchronously with the outer tube, the endoscope head can be used for observing whether or not the dilator reaches a target puncture site, during the operation, the directionand depth of the dilator are changed according to the positions and shapes of lesions in the brain, the direction and depth of a surgical operation are flexibly changed, and the operation time is shortened. The suction channel can absorb blood and seepage of a surgical view field at any time, which is beneficial for seeing the surgical view field and stopping bleeding; suction devices necessary for an operation inside dilator lumen are not needed, and the convenience and flexibility of the operation inside the dilator lumen are improved.

The invention relates to the technical field of barrier gate design, and discloses a barrier gate assembly facilitating advertising board installation, which comprises a barrier gate box, a barrier gate rod and a billboard positioned on the barrier gate rod, connecting rods are arranged on both sides of the barrier gate rod, and the extending direction of the connecting rods is perpendicular to the extending direction of the barrier gate rod; a dovetail sliding groove with the extending direction parallel to the extending direction of the connecting rod is formed in the connecting rod, a dovetail sliding block used for being detachably connected with the end of the advertising board is embedded in the dovetail sliding groove, and a connecting block is arranged at the position, located in the dovetail sliding groove, of the lower end of the connecting rod. A reset spring with one end connected with the dovetail sliding block and the other end connected with the connecting block is arranged in the dovetail sliding groove, a stepping motor is arranged in the middle of the barrier gate rod, a rotating arm is connected to an output shaft of the stepping motor, and a roller abutting against the lower side of the advertising board is rotationally connected to the end, away from the stepping motor, of the rotating arm.

The invention discloses a detection fixing device for an acupuncture minimally invasive robot. an angle between an ultrasonic scanner entering a human body and a front elevation angle of a sagittal plane of a target detection area is adjusted to be in a preset range, so that the positions of the ultrasonic scanner and the target detection area of the human body are relatively fixed, at the moment,the definition of an output scanned image is better, imaging is better, and medical staff can check the scanned image conveniently. The invention further provides the robot.

The invention discloses a peep-proof plate for ATM machine keys, and the peep-proof plate comprises a peep-proof plate and a housing (2). The peep-proof plate is fixed at the upper part of the housing (2), and is located exactly above the ATM machine keys. The housing (2) is made of a square lightproof material. The peep-proof plate comprises a nonopaque panel (1) with the thickness of 3-8mm and an acrylic thick plate (4) with the thickness of 10-60mm. The panel (1) is attached to the upper surface of the acrylic thick plate (4), and at least ten lightproof films (3) which are arranged in a parallel manner at uniform intervals are embedded in the direction perpendicular to the acrylic thick plate (4), wherein the intervals between the lightproof films (3) is 3-8mm. The arrangement direction of the lightproof films (3) is parallel to the eyes of an operator, and the thickness of each lightproof film (3) is 0.1-0.5mm. According to the embodiment of the invention, the peep-proof plate enables the operator to be able to clearly see the ATM machine keys without obstacles in the vertical direction, also completely blocks the peep of the finger movements of the operator in other directions, is simple in structure, is low in manufacturing cost, and is very good in application prospect.

The invention relates to the field of battery processing, in particular to a welding method of fiber boards. The welding method comprises the following steps that A, material preparation is conducted,specifically, the overlapped fiber boards are prepared, and soldering fluxes, tin and antioxidants are prepared; B, the fiber boards are placed on a movable supporting piece; C, coating is conducted,specifically, the soldering fluxes and the tin are sequentially sprayed to the fiber boards, then the ends of the fiber boards are coated with vertically arranged thermofuses, and finally the antioxidants are sprayed to the thermofuses and the tin; and D, welding is conducted, specifically, after being coated, the fiber boards are taken down from the supporting pieces and welded by a welding device, in the process of welding all joints from top to bottom, the lower half sections of broken-off thermofuses are pushed aside and pulled downwards, and thus the antioxidants accumulated at the lowerjoints are divided by the thermofuses. According to the welding method of the fiber boards, the success rate of end welding of the fiber boards is increased.

The invention provides a fire fighting helmet provided with a smoke abatement device and having a filtering function. The fire fighting helmet comprises a helmet body, wherein the smoke abatement device is arranged inside the helmet body, smoke suction openings are formed in the left side and the right side of the front side of the helmet body, a smoke filter layer is arranged on the edge of a face protection cover at the lower end of the helmet body, smoke leading-out tubes are arranged on two sides of the helmet body and are communicated with the smoke suction openings, and a smoke abatement device control switch is arranged on the helmet body. The smoke dispelling and abatement device is arranged on the fire fighting helmet, smoke surrounding a fireman can be effectively dispelled, and personal safety of the fireman is ensured. In addition, the fireman can clearly see the fire disaster situation in front of the fireman and conveniently find trapped persons.

The invention provides an elevator control panel. The elevator control panel comprises a decorative panel and a key panel; key holes are uniformly distributed in the key panel and internally providedwith keys; the decorative panel comprises an installing top plate, a fixed plate and an installing bottom plate which are integrally formed; the fixed plate is connected between the installing top plate and the installing bottom plate, and both the installing top plate and the installing bottom plate are provided with bolt holes; the key panel is slidably arranged on the fixed plate and slides upand down along the fixed plate, and two longitudinal slide rails are arranged on the fixed plate; the bottom face of the key panel is provided with slide grooves matched with the longitudinal slide rails; and the inner walls of the key holes are provided with annular grooves, and ultraviolet LED lamps are installed in the annular grooves. The elevator control panel provided by the invention can meet the requirements of passengers with different heights, and is convenient to assemble and disassemble and capable of saving time and effort, bacteria are avoided from growing on the keys, the cleanness and sanitation of the keys are kept advantageously, a film is arranged on the key panel, thus, the abrasion degree of the keys is reduced, and the service life of the key panel is prolonged.